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Trump Cuts Loose Diesel Mechanics Nailed In Clean Air Crackdown

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Published on July 04, 2026
Trump Cuts Loose Diesel Mechanics Nailed In Clean Air CrackdownSource: Wikipedia/The Trump White House, Public domain, via Wikimedia Commons

President Donald Trump on Friday wiped the slate clean for a group of diesel mechanics and shop owners convicted under the federal Clean Air Act for tampering with vehicle emissions systems, announcing on Truth Social that he was "setting them all free." His clemency orders erase felony convictions that, in some cases, came with prison time and long-lasting fallout for the defendants' careers and civil rights. The move lands in the middle of a broader federal rethink this year on how aggressively to criminally police aftermarket emissions "defeat devices."

What the White House Announced

The White House did not immediately roll out a neat, public list of who got pardons. Instead, defense lawyers and a White House official identified 10 recipients as Ryan LaLone, Wade LaLone, Matt Geouge, Tim Clancy, Mac Spurlock, Joshua Davis, Barry Pierce, Aaron Rudolf, Adam Kidan and Jack Harvard. That lineup was first detailed by the Tampa Free Press, and a White House official later confirmed five of those names to CBS News.

DOJ's Enforcement Shift

Earlier this year, the Department of Justice quietly told federal prosecutors to walk back from criminal cases tied to aftermarket emissions "defeat devices" and to stop bringing new ones. That internal policy shift was reported by Heavy Duty Trucking, which noted that DOJ still intends to pursue civil enforcement where it believes the facts warrant it.

Enforcement vs. Public Health

Legal analysts say the updated approach narrows when someone risks going to prison, but it does not make the underlying conduct legal or shut the door on state or civil actions. As Van Ness Feldman explains, the core Clean Air Act prohibitions are still on the books, and regulators still have plenty of tools to seek fines, injunctions and other remedies. Public health experts, meanwhile, warn that disabling emissions controls remains a very real air-quality problem, whatever the charging policy at DOJ looks like.

Reactions From Defendants and Advocates

Defense lobbyist Jeff Daugherty, who pushed for relief in these cases, celebrated the clemency and put his gratitude in explicitly religious and political terms. He told CBS News, "thanks to God for putting it on Trump's heart to approve these pardons, and thank God for Donald Trump." Attorneys for several of the pardoned defendants are treating the move as a starting gun, not a finish line, and say they will seek similar clemency for others with related Clean Air Act convictions, the Tampa Free Press reported.

What Comes Next

For now, the concrete impact is limited to the people who received pardons, who no longer carry federal felony records from these cases. The bigger question is how far the ripple effects will travel. EPA officials and state regulators still have the option to bring civil actions, and courts are likely to see fresh litigation over how far the Clean Air Act actually reaches in the aftermarket context. Observers told Heavy Duty Trucking that the DOJ shift and now Trump's clemency decision are poised to reverberate through future enforcement decisions and the oversight fights waiting on Capitol Hill.